diff --git a/docs/previews/README.md b/docs/previews/README.md index d7c9c3e..cec9150 100644 --- a/docs/previews/README.md +++ b/docs/previews/README.md @@ -1,12 +1,27 @@ -# Previews +**Previews** -If you have purchased the Early Access Program edition of C# 11 and .NET 7 - Modern Cross-Platform Development, then note that the chapters were written and tested with .NET 7 Preview 1. +Preliminary drafts of C# 11 and .NET 7 - Modern Cross-Platform Development were written and tested with .NET 7 Preview 1. Microsoft will release monthly previews until August, then two release candidates in September and October, before the general availablility (GA) release in November 2022. Each month I will add new content to this page that will then be added to the final drafts in September. -Microsoft will release monthly previews until November 2022. Each month I will add new content to this page that will then be added to the final drafts for publishing in November. +- [New content for .NET 7 Preview 2](#new-content-for-net-7-preview-2) + - [Chapter 1](#chapter-1) + - [Command Line Interface commands](#command-line-interface-commands) + - [Line breaks in interpolated strings](#line-breaks-in-interpolated-strings) + - [Chapter 5](#chapter-5) + - [List pattern matching](#list-pattern-matching) + - [Chapter 8](#chapter-8) + - [Regular Expressions](#regular-expressions) +- [New content for .NET 7 Preview 3 (April)](#new-content-for-net-7-preview-3-april) +- [New content for .NET 7 Preview 4 (May)](#new-content-for-net-7-preview-4-may) +- [New content for .NET 7 Preview 5 (June)](#new-content-for-net-7-preview-5-june) +- [New content for .NET 7 Preview 6 (July)](#new-content-for-net-7-preview-6-july) +- [New content for .NET 7 Preview 7 (August)](#new-content-for-net-7-preview-7-august) +- [New content for .NET 7 Release Candidate 1 (September)](#new-content-for-net-7-release-candidate-1-september) -## New content for .NET 7 Preview 2 +# New content for .NET 7 Preview 2 -### Chapter 1 - Command Line Interface commands +## Chapter 1 + +### Command Line Interface commands In .NET 7 Preview 2 and later, `dotnet` commands do not need to be prefixed with hyphens. @@ -24,7 +39,30 @@ dotnet new list > Since I want to ensure that .NET 6 developers can follow the examples in the book, and Microsoft will support the use of hyphenated commands for a while, the book will continue to use the hyphenated commands but with a note that they are optional in .NET 7 and later. -### Chapter 8 - Regular Expressions +### Line breaks in interpolated strings + +One of my favorite new language features because it helps with printed code! + +Before C# 11, breaking an interpolated string in the middle of the double-quotes or in the middle of a curly-brace expression gives compile errors, as shown in the following code: + +```cs +string message1 = $"Total number of + fruit is {apples.Count}."; + +string message2 = + $"Total number of fruit is {apples.Count + + oranges.Count}"; +``` + +With C# 11, the above will compile. Finally! + +## Chapter 5 + +### List pattern matching + +## Chapter 8 + +### Regular Expressions In .NET 7 Preview 2 and later, you can use a more efficient Regex source generator. @@ -57,4 +95,16 @@ public partial class Foo // <-- Make the class a partial class // .. } } -``` \ No newline at end of file +``` + +# New content for .NET 7 Preview 3 (April) + +# New content for .NET 7 Preview 4 (May) + +# New content for .NET 7 Preview 5 (June) + +# New content for .NET 7 Preview 6 (July) + +# New content for .NET 7 Preview 7 (August) + +# New content for .NET 7 Release Candidate 1 (September)